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WED9LC6816V-BC PDF预览

WED9LC6816V-BC

更新时间: 2024-02-17 11:37:35
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其他 - ETC 静态存储器动态存储器
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27页 357K
描述
SSRAM/SDRAM MCP

WED9LC6816V-BC 数据手册

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WED9LC6816V  
White Electronic Designs  
256Kx32 SSRAM/4Mx32 SDRAM  
External Memory Solution for Texas Instruments  
TMS320C6000 DSP  
DESCRIPTION  
FEATURES  
The WED9LC6816V is a 3/3V, 256K x 32 Synchronous  
Pipeline SRAM and a 4Mx32 Synchronous DRAM array  
constructed with one 256K x 32 SBSRAM and two 4Mx16  
SDRAM die mounted on a multilayer laminate sub-  
strate/ The device is packaged in a 153 lead, 14mm by  
22mm, BGA/  
n Clock speeds:  
• SSRAM: 200, 166,150, and 133 MHz  
• SDRAMs: 125 and 100 MHz  
n DSP Memory Solution  
• Texas Instruments TMS320C6201  
• Texas Instruments TMS320C6701  
n Packaging:  
The WED9LC6816V provides a total memory solution  
for the Texas Instruments TMS320C6201 and the  
TMS320C6701 DSPs The Synchronous Pipeline SRAM  
is available with clock speeds of 200, 166,150,v and  
133 MHz, allowing the user to develop a fast external  
memory for the SSRAM interface port /  
• 153 pin BGA, JEDEC MO-163  
n 3/3V Operating supply voltage  
n Direct control interface to both the SSRAM and  
The SDRAM is available in clock speeds of 125 and  
100 MHz, allowing the user to develop a fast external  
memory for the SDRAM interface port/  
SDRAM ports on the “C6x”  
n Common address and databus  
n 65% space savings vs/ monolithic solution  
n Reduced system inductance and capacitance  
The WED9LC6816V is available in both commercial  
and industrial temperature ranges/  
FIGꢀ 1 PIN CONFIGURATION  
PIN DESCRIPTION  
TOP VIEW  
A0-17  
Address Bus  
Data Bus  
1
2
DQ23  
DQ22  
VCCQ  
DQ21  
DQ20  
VCCQ  
NC  
3
VCC  
VCC  
VCC  
VCC  
VCC  
VCC  
NC  
4
VSS  
5
6
7
8
9
DQ0-31  
SSCLK  
A
B
C
D
E
F
DQ19  
DQ18  
VCCQ  
DQ17  
DQ16  
VCCQ  
NC  
VSS  
VSS  
VSS  
NC  
VSS  
VSS  
VSS  
VSS  
NC  
NC  
NC  
NC  
NC  
VSS  
VSS  
VSS  
NC  
NC  
VCC  
VCC  
VCC  
VCC  
VCC  
VCC  
A2  
DQ24 DQ28  
DQ25 DQ29  
SSRAM Clock  
VSS  
SDCE  
SDA10  
VSS  
SSADC SSRAM Address Status Control  
SDWE  
VSS  
VCCQ  
VCCQ  
SSWE  
SSOE  
SSRAM Write Enable  
SSRAM Output Enable  
SDRAM Clock  
DQ26 DQ30  
DQ27 DQ31  
VSS  
SDCLK  
VSS  
SDCLK  
SDRAS  
VSS  
VCCQ  
A4  
VCCQ  
A5  
SDRAM Row Address Strobe  
G
H
J
SDRAS  
VSS  
SDCAS  
VSS  
SDCAS SDRAM Column Address Strobe  
SDWE SDRAM Write Enable  
SDA10 SDRAM Address10/auto precharge  
NC  
NC  
A8  
A1  
A3  
A10  
A6  
A7  
A9  
VSS  
VSS  
A0  
A11  
A12  
K
L
A17  
NC/A18  
NC  
NC/A19  
NC  
VSS  
VSS  
NC  
NC  
VCC  
VCC  
VCC  
VCC  
VCC  
VCC  
A13  
A14  
BWE0-3  
SSRAM Byte Write Enables  
SDRAM SDQM 0-3  
NC  
BWE2  
BWE0  
VSS  
BWE3  
BWE1  
VSS  
A15  
A16  
M
N
P
R
T
VCCQ  
DQ12  
DQ13  
VCCQ  
DQ14  
DQ15  
VCCQ  
DQ11  
DQ10  
VCCQ  
DQ9  
DQ8  
VCC  
VCC  
VCC  
VCC  
VCC  
VCC  
VCCQ  
DQ4  
DQ5  
VCCQ  
DQ6  
DQ7  
VCCQ  
DQ0  
DQ1  
VCCQ  
DQ2  
DQ3  
SSCE  
SDCE  
VCC  
Chip Enable SSRAM Device  
Chip Enable SDRAM Device  
Power Supply pins, 3:3V  
VSS  
SSCLK  
VSS  
VSS  
VCCQ  
Data Bus Power Supply pins,  
3:3V (2:5V future)  
SSADC  
SSOE  
SSWE  
SSCE  
VSS  
Ground  
U
NC  
No Contact  
Contact factory for ordering informationꢀ  
September 2003 Rev 1  
ECO #16493  
1
White Electronic Designs Corporation • (508) 366-5151 • wwwꢀwhiteedcꢀcom  

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